Deborah Lacey is an American actress.Lacey had a recurring role in the final season of Star Trek: Deep Space Nine as Sarah Sisko, the mother of Benjamin Sisko. More recently, Lacey has the recurring role of Carla in Mad Men. Lacey has made single guest starring appearances in The A-Team, Highway to Heaven, Doogie Howser, M.D., Frasier, Sliders, Cybill, House and Bones.